OLDHAM

Oil · District 13 · Lease #25642

Operator: CHEK OIL CO., LLC

Cum Oil

74k BBL

Cum Gas

0 MCF

Wells

5

Production

1993-01 — 2026-03

Peak Month

1995-05

Production History

Cum Oil: 73,949 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

411 BBL/mo

Di (annual)

7.5%

b-factor

0.4

EUR

81,546 BBL

R-squared

0.836

type

hyperbolic

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5BBYTEX OIL COMPANY11,5002005-11-22
B 4BYTEX OIL COMPANY11,5001999-09-30
B 3BYTEX OIL COMPANY11,4001995-02-08
B 2BYTEX OIL COMPANY11,4001985-10-28
100BYTEX OIL COMPANY11,4001983-07-05
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